... 3, lockable rotating end cap 4, Isolated driver high lumen led light 1, Ervan LED Tube is designed to replace the traditional ... hrs.4, Convenient to deliver. Ervan LED Tube sdopts special PC(Polycarbonate) plastic with soft light, it is unbreackable, shake- ... lifespan: >50,000hrs4, High brightness, adopts high quality LED chip with about 24mA current.Very strict testing steps, and qualified rate ...